feat: Add init container release workflow

[helayoty]

• Add init container tag to the workflow dispatch
• Separate publish images pipelines
• Update documents with variable init container tag
• Update pipelines image to ubuntu-latest

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.38%. Comparing base (b3460ff) to head (b8d1493).
Report is 15 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #619      +/-   ##
==========================================
+ Coverage   69.81%   70.38%   +0.57%     
==========================================
  Files          15       15              
  Lines        2597     2097     -500     
==========================================
- Hits         1813     1476     -337     
+ Misses        666      502     -164     
- Partials      118      119       +1     

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